The signal to begin this event was the Eurovision entry from the country in which this event occurred. This event was led by 
The signal to begin this event was the Eurovision entry from the country in which this event occurred. This event was led by the left-wing Armed Forces Movement. After this event, the country endured the lengthy Continuing Revolutionary Process. The end of this event saw Marcelo Caetano surrender to General Spinola in a police station, and the military proceeded to hold control of the country until the election of Mario Soares. For 10 points, name this 1974 military overthrow of the government of Portugal's Estado Novo, which was named for the flowers carried by the soldiers.
The signal to begin this event was the Eurovision entry from the country in which this event occurred.
{Carnation} Revolution